Home GPU Comparison AMD Radeon RX 580 Mobile vs AMD Radeon HD 7450A

AMD Radeon RX 580 Mobile vs AMD Radeon HD 7450A

We compared two Mobile platform GPUs: 8GB VRAM Radeon RX 580 Mobile and 512MB VRAM Radeon HD 7450A to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon RX 580 Mobile 's Advantages
Released 5 years and 3 months late
Boost Clock1077MHz
Larger VRAM bandwidth (256.0GB/s vs 12.80GB/s)
2144 additional rendering cores
AMD Radeon HD 7450A 's Advantages
Lower TDP (25W vs 100W)

Score

Benchmark

FP32 (float)
Radeon RX 580 Mobile +2381%
4.963 TFLOPS
Radeon HD 7450A
0.2 TFLOPS
VS

Graphics Card

Apr 2017
Release Date
Jan 2012
Mobility Radeon
Generation
All-In-One
Mobile
Type
Mobile
MXM-B (3.0)
Bus Interface
MXM-A (3.0)

Clock Speeds

1000 MHz
Base Clock
-
1077 MHz
Boost Clock
-
2000 MHz
Memory Clock
800 MHz

Memory

8GB
Memory Size
512MB
GDDR5
Memory Type
GDDR3
256bit
Memory Bus
64bit
256.0GB/s
Bandwidth
12.80GB/s

Render Config

-
SM Count
-
36
Compute Units
2
2304
Shading Units
160
144
TMUs
8
32
ROPs
4
-
Tensor Cores
-
-
RT Cores
-
16 KB (per CU)
L1 Cache
8 KB (per CU)
2 MB
L2 Cache
128 KB

Theoretical Performance

34.46 GPixel/s
Pixel Rate
2.500 GPixel/s
155.1 GTexel/s
Texture Rate
5.000 GTexel/s
4.963 TFLOPS
FP16 (half)
-
4.963 TFLOPS
FP32 (float)
200.0 GFLOPS
310.2 GFLOPS
FP64 (double)
-

Graphics Processor

Polaris 20
GPU Name
Caicos
Polaris 20M XT
GPU Variant
-
GCN 4.0
Architecture
TeraScale 2
GlobalFoundries
Foundry
TSMC
14 nm
Process Size
40 nm
5.7 billion
Transistors
0.37 billion
232 mm²
Die Size
67 mm²

Board Design

100W
TDP
25W
-
Suggested PSU
-
No outputs
Outputs
No outputs
None
Power Connectors
-

Graphics Features

12 (12_0)
DirectX
11.2 (11_0)
4.6
OpenGL
4.4
2.1
OpenCL
1.2
1.2
Vulkan
N/A
-
CUDA
-
6.4
Shader Model
5.0

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